Home / 688,348.80-1,031,867.10-536,461.65

Finding the Fourth Proportional to 688,348.80, 1,031,867.10 and 536,461.65

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Solution

The fourth proportional to 688,348.80, 1,031,867.10 and 536,461.65 is: 804,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,348.80 : 1,031,867.10 = 536,461.65 : x
  2. Step 2: Convert to fraction form
    688,348.80/1,031,867.10 = 536,461.65/x
  3. Step 3: Cross multiply
    688,348.80x = 1,031,867.10 × 536,461.65
  4. Step 4: Simplify right side
    688,348.80x = 553,557,127,046.72
  5. Step 5: Solve for x
    x = 553,557,127,046.72/688,348.80
  6. Step 6: Final answer
    x = 804,181.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.